It's a bit like a character in a movie going off and having adventures that change him so drastically that when he returns, the folks in his hometown no longer recognize the way he looks and behaves.

The process of speciation allows a single species to diverge into two. Dive into the different versions of this process, including “allopatric speciation” and “sympatric speciation,” and discover how ...

This is a preview. Log in through your library . Abstract Among the most debated subjects in speciation is the question of its mode. Although allopatric (geographical) speciation is assumed the null ...

The Lepidoptera represent one of the most successful radiations of plant-feeding insects, which predominantly took place within angiosperms beginning in the Cretaceous period. Angiosperm colonization ...

A genetic study of island lizards shows that even those that have been geographically isolated for many millions of years have not evolved into separate species as predicted by conventional ...

Speciation JA Coyne H Allen Orr Sinauer Associates Inc., Massachusetts, USA; 2004. 545 pp., paperback, £34.99 ISBN 0878930892. So effusive was Axel Meyer's appreciation of ‘Speciation’ in ‘Nature’ ...

Butterfly wing patterns are attractive, not just to artists, writers and naturalists, but also to other butterflies. In fact, they play an important role in signalling between potential butterfly ...

German researcher Christian Rabeling was digging up ant colonies on a college campus in Brazil when he found something unexpected—certain ants appeared smaller and shinier and had wings. Rabeling soon ...

One of the world's best examples of sympatric speciation, when two species from a single ancestor form in the absence of a geographical barrier, has been found among the swaying palm trees on ...

Trait data from more than 1,000 different vertebrate species suggests that new species often arise not because of pressures from different environments, but because of prolonged geographic separation ...